Problem: Which of the following are basic method(s) of cell-to-cell communication.
Group of answer choices
- use locally acting chemicals, called paracrines, autocrines, or neuromodulators
- use long-distance means, which rely on combinations of electrical and chemical signals
- transfer signal molecules to adjacent cells through gap junctions
- use contact-dependent signals, which rely on interactions between cell surface molecules on different cells
- all of the answers are correct.